Tritan precision ansi roller chain – 40-1np – 1/2 pitch – 100ft reel features: supplied in 100ft reel includes 1 connecting link conforms with ansi b29.1 pre-stressed wide waist design to combat fatigue plates are ball burnished & shot peened for increased performance solid bushing design improves wear resistance chain can be cut to length using 35-60 chain breaker additional connecting links & offset links are also available & sold separately.