Pye Tools Pvt. Ltd. Offers Internal Circlip Pliers with Thick Insulation. Pye Tools Pvt. Ltd is an ISO 9001: 2000 accredited company. The Company also manufactures various types of hand and garden tools. The Internal Circlip Pliers with Thick Insulation are used to insert ring inside a pipe. The Internal Circlip Pliers with Thick Insulation are drop- forged from high grade chrome vanadium steel and thereafter machined and heat treated in state of the art manufacturing environment. These Circlip Pliers have tips which are heat-treated ensuring long-lasting durability. These Circlip Pliers are also thickly insulated with scientifically designed, easy-to-hold sleeves made out of cellulose acetate. These Pliers are available in various models.